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Head to head · Prices checked Nov 10, 2026

Jamesdonkey James Donkey A3 HE vs Neo One of Zero Si75 HE

Get the Jamesdonkey James Donkey A3 HE for n-key rollover. Get the Neo One of Zero Si75 HE for the 8,000 Hz polling rate and sound dampening.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey James Donkey A3 HE

N-key rollover

Build quality in the bottom 25% of 75% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.

Get the

Neo One of Zero Si75 HE

polling rate

Build quality in the top 45% of 75% boards under $150.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Jamesdonkey James Donkey A3 HE

Neo One of Zero Si75 HE

  • Max polling rate

    1,000 Hz

    8,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Case material

    Aluminum

    ABS, Polycarbonate

  • Sound dampening

    No

    Yes

  • Backlight

    RGB

    RGB, south-facing

    RGB for looks and low light rather than speed

  • N-key rollover

    Yes

    No

KeebFinder scores

How we score
  • Jamesdonkey James Donkey A3 HE
  • Neo One of Zero Si75 HE
Performance
86
95
Build quality
52
69
Productivity
84
91
Customizability
74
74
Portability
66
65

What they share

  • Layout size: 75%
  • Hall effect (magnetic)
  • Rapid trigger
  • Connection: Wired
  • Hot-swappable
  • Switch options: Magnetic
See every spec side by side

Full specs

Jamesdonkey James Donkey A3 HE vs Neo One of Zero Si75 HE specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

6 of 25 specs differ

Jamesdonkey James Donkey A3 HE

Neo One of Zero Si75 HE

Typing & switches

Switch options

Magnetic
Magnetic

Hall effect (magnetic)

Yes
Yes

Rapid trigger

Yes
Yes

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Connectivity & battery

Connection

Wired
Wired

Max polling rate

1,000 Hz
8,000 HzBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Polycarbonate

Plate material

—
Aluminum

Keycaps

PBT
PBT

Weight

900 g
—

Dimensions

40 x 320 x 120 mm
—

Typing angle

5°
—

Backlight

RGB
RGB, south-facing

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2025
2026

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

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